124_Problem CHAPTER 9

124_Problem CHAPTER 9 - PROBLEM 9.103 Using Mohr's circle...

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PROBLEM 9.103 Using Mohr’s circle, determine for the area indicated the orientation of the principal centroidal axes and the corresponding values of the moments of inertia. Area of Problem 9.71 SOLUTION From Problem 9.71 4 11.0 in xy I =− Compute x I and y I for area of Problem 9.71 () ( ) ( ) 33 2 5 in. 0.5 in. 0.5 in. 4 in. 2 4 in. 0.5 in. 1.0 in. 12 12 x I × =+ + × 4 9.38542 in = ( ) ( ) 2 0.5 in. 4 in. 0.5 in. 5 in. 2 4 in. 0.5 in. 2.75 in. 12 12 y I  ×  ×+  4 35.54167 in = Define points ( ) ( ) 9.38542, 11 , and 35.54167, 11 XY Now 44 4 ave 9.38542 in 35.54167 in 22.46354 in 22
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.

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